211034056 has 32 divisors (see below), whose sum is σ = 420147000. Its totient is φ = 99030016.

The previous prime is 211034027. The next prime is 211034069. The reversal of 211034056 is 650430112.

It can be written as a sum of positive squares in 4 ways, for example, as 179292100 + 31741956 = 13390^2 + 5634^2 .

It is a super-2 number, since 2×211034056² = 89070745583622272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50910 + ... + 54898.

Almost surely, 2^211034056 is an apocalyptic number.

It is an amenable number.

211034056 is a deficient number, since it is larger than the sum of its proper divisors (209112944).

211034056 is a wasteful number, since it uses less digits than its factorization.

211034056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 211034056 is about 14527.0112549003. The cubic root of 211034056 is about 595.3662091341.

Adding to 211034056 its reverse (650430112), we get a palindrome (861464168).

The spelling of 211034056 in words is "two hundred eleven million, thirty-four thousand, fifty-six".